A magnitude ML 2.0 earthquake occured in region: 2 km N Bolsena (VT), on
and geographic coordinates (lat, lon) 42.6630, 11.9840 at 10 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Bolsena | VT | 2 | 3991 | 3991 |
Castel Giorgio | TR | 5 | 2131 | 6122 |
San Lorenzo Nuovo | VT | 7 | 2091 | 8213 |
Grotte di Castro | VT | 9 | 2683 | 10896 |
Porano | TR | 10 | 1966 | 12862 |
Bagnoregio | VT | 10 | 3650 | 16512 |
Castel Viscardo | TR | 11 | 2938 | 19450 |
Gradoli | VT | 11 | 1353 | 20803 |
Lubriano | VT | 11 | 909 | 21712 |
Orvieto | TR | 12 | 20630 | 42342 |
Acquapendente | VT | 13 | 5506 | 47848 |
Latera | VT | 13 | 836 | 48684 |
Capodimonte | VT | 14 | 1731 | 50415 |
Onano | VT | 14 | 995 | 51410 |
Montefiascone | VT | 14 | 13432 | 64842 |
Marta | VT | 15 | 3499 | 68341 |
Proceno | VT | 16 | 557 | 68898 |
Celleno | VT | 16 | 1355 | 70253 |
Allerona | TR | 17 | 1794 | 72047 |
Valentano | VT | 17 | 2868 | 74915 |
Civitella d'Agliano | VT | 18 | 1640 | 76555 |
Castiglione in Teverina | VT | 18 | 2329 | 78884 |
Baschi | TR | 19 | 2722 | 81606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 2.0 | 2012-09-18 04:48:31 |
42.6528 | 12.001 | 10 | 2014-10-21 12:08:56 |
Sala Sismica INGV-Roma | 2189021 |
Bulletin Rev1000 |
ML 2.0 | 2012-09-18 04:48:32 |
42.6632 | 11.9837 | 10 | 2014-09-19 08:14:18 |
Bollettino Sismico Italiano INGV | 2620931 |
Field | Value |
---|---|
Time (UTC) | 2012-09-18 04:48:32 ± 0.14 |
Latitude | 42.6632 ± 0.0063 |
Longitude | 11.9837 ± 0.0086 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 2620931 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 638 |
Semi-minor axis of confidence ellipse (meter) | 579 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 316 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.14119 |
Epicentral distance of station farthest from the epicenter (degree) | 0.66550 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.2 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 2620931 |
Agency | INGV |
Autore | Manually reviewed by Franco Mele |
Time of creation (UTC) | 2014-09-18 12:41:58 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 2189021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2012-09-18 05:01:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAFI.HNZ. | 2012-09-18T04:48:54.96 | 0.3 | undecidable | manual | S | 359 | 73.8705 | 50 | 0.35 | 65 |
IV.TOLF.HHZ. | 2012-09-18T04:48:53.15 | 0.6 | undecidable | manual | S | 179 | 66.4779 | 50 | 0.52 | 42 |
IV.ATTE.HHZ. | 2012-09-18T04:48:53.20 | 1.0 | undecidable | manual | S | 27 | 66.4779 | 50 | 0.57 | 21 |
IV.ARCI.HHZ. | 2012-09-18T04:48:47.02 | 0.3 | undecidable | manual | S | 297 | 46.4202 | 50 | -0.25 | 70 |
IV.CESX.HHZ. | 2012-09-18T04:48:47.96 | 0.6 | undecidable | manual | S | 97 | 49.617 | 50 | -0.16 | 47 |
IV.CAFI.HNZ. | 2012-09-18T04:48:45.20 | 0.6 | undecidable | manual | P | 359 | 73.8705 | 50 | 0.09 | 46 |
IV.ATTE.HHZ. | 2012-09-18T04:48:44.24 | 1.0 | undecidable | manual | P | 27 | 66.4779 | 50 | 0.27 | 22 |
IV.TOLF.HHZ. | 2012-09-18T04:48:43.61 | 0.6 | undecidable | manual | P | 179 | 66.4779 | 50 | -0.36 | 44 |
IV.MGAB.HHZ. | 2012-09-18T04:48:42.93 | 0.3 | undecidable | manual | S | 21 | 29.5482 | 50 | 0.15 | 74 |
IV.MCIV.HHZ. | 2012-09-18T04:48:42.24 | 0.6 | undecidable | manual | S | 297 | 28.1496 | 50 | -0.15 | 49 |
IV.CESX.HHZ. | 2012-09-18T04:48:41.24 | 0.6 | undecidable | manual | P | 97 | 49.617 | 50 | -0.12 | 48 |
IV.ARCI.HHZ. | 2012-09-18T04:48:41.14 | 0.3 | undecidable | manual | P | 297 | 46.4202 | 50 | 0.27 | 70 |
IV.LATE.HHZ. | 2012-09-18T04:48:38.49 | 0.6 | undecidable | manual | S | 250 | 15.6732 | 122 | -0.04 | 51 |
IV.MCIV.HHZ. | 2012-09-18T04:48:37.83 | 0.6 | negative | manual | P | 297 | 28.1496 | 50 | -0.22 | 48 |
IV.MGAB.HHZ. | 2012-09-18T04:48:37.75 | 0.1 | undecidable | manual | P | 21 | 29.5482 | 50 | -0.53 | 90 |
IV.LATE.HHZ. | 2012-09-18T04:48:36.00 | 0.1 | undecidable | manual | P | 250 | 15.6732 | 122 | 0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LATE.HHE. | ML:2.2 | 0.0014500000000000001 | 0.92 | AML | other | m | 2012-09-18T04:48:39.86 |
IV.LATE.HHN. | ML:2.2 | 0.00156 | 0.32 | AML | other | m | 2012-09-18T04:48:43.26 |
IV.MCIV.HHN. | ML:1.9 | 0.0004465 | 0.26 | AML | other | m | 2012-09-18T04:48:43.35 |
IV.MCIV.HHE. | ML:1.8 | 0.00029900000000000006 | 0.9 | AML | other | m | 2012-09-18T04:48:43.05 |
IV.MGAB.HHN. | ML:2.0 | 0.00044999999999999993 | 1.26 | AML | other | m | 2012-09-18T04:48:44.18 |
IV.MGAB.HHE. | ML:1.8 | 0.00029749999999999997 | 1.56 | AML | other | m | 2012-09-18T04:48:44.86 |